﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using V5_Model;
using System.Data;
using V5_Common;
using V5_DAL.SqlServer;

namespace V5_BLL {
    public class BLLFriend {

        DALFriend dal = new DALFriend();
        #region  成员方法

        /// <summary>
        /// 得到最大ID
        /// </summary>
        public int GetMaxId() {
            return dal.GetMaxId();
        }

        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int ID) {
            return dal.Exists(ID);
        }

        /// <summary>
        /// 增加一条数据
        /// </summary>
        public void Add(ModelFriend model) {
            dal.Add(model);
        }

        /// <summary>
        /// 更新一条数据
        /// </summary>
        public void Update(ModelFriend model) {
            dal.Update(model);
        }

        /// <summary>
        /// 删除一条数据
        /// </summary>
        public void Delete(int ID) {

            dal.Delete(ID);
        }

        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public ModelFriend GetModel(int ID) {

            return dal.GetModel(ID);
        }

        /// <summary>
        /// 得到一个对象实体，从缓存中。
        /// </summary>
        public ModelFriend GetModelByCache(int ID) {

            string CacheKey = "ModelFriendModel-" + ID;
            object objModel = DataCacheHelper.GetCache(CacheKey);
            if (objModel == null) {
                try {
                    objModel = dal.GetModel(ID);
                    if (objModel != null) {
                        int ModelCache = ConfigHelper.GetConfigInt("ModelCache");
                        DataCacheHelper.SetCache(CacheKey, objModel, DateTime.Now.AddMinutes(ModelCache), TimeSpan.Zero);
                    }
                }
                catch { }
            }
            return (ModelFriend)objModel;
        }

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataSet GetList(string strWhere) {
            return dal.GetList(strWhere);
        }
        /// <summary>
        /// 获得前几行数据
        /// </summary>
        public DataSet GetList(int Top, string strWhere, string filedOrder) {
            return dal.GetList(Top, strWhere, filedOrder);
        }

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public List<ModelFriend> GetModelList(string strWhere) {
            DataSet ds = dal.GetList(strWhere);
            return DataTableToList(ds.Tables[0]);
        }

        public List<ModelFriend> GetModelList(int Top, string strWhere, string filedOrder) {
            DataSet ds = dal.GetList(Top, strWhere, filedOrder);
            return DataTableToList(ds.Tables[0]);
        }
        /// <summary>
        /// 获得数据列表
        /// </summary>
        public List<ModelFriend> DataTableToList(DataTable dt) {
            List<ModelFriend> modelList = new List<ModelFriend>();
            int rowsCount = dt.Rows.Count;
            if (rowsCount > 0) {
                ModelFriend model;
                for (int n = 0; n < rowsCount; n++) {
                    model = new ModelFriend();
                    if (dt.Rows[n]["ID"].ToString() != "") {
                        model.ID = int.Parse(dt.Rows[n]["ID"].ToString());
                    }
                    model.FriendTitle = dt.Rows[n]["FriendTitle"].ToString();
                    model.FriendUrl = dt.Rows[n]["FriendUrl"].ToString();
                    model.FriendLogo = dt.Rows[n]["FriendLogo"].ToString();
                    model.FriendReadme = dt.Rows[n]["FriendReadme"].ToString();
                    if (dt.Rows[n]["IsShow"].ToString() != "") {
                        model.IsShow = int.Parse(dt.Rows[n]["IsShow"].ToString());
                    }
                    modelList.Add(model);
                }
            }
            return modelList;
        }

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataSet GetAllList() {
            return GetList("");
        }

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataSet GetList(int PageSize, int PageIndex, string strWhere, string strOrder, ref int RecordCount) {
            return dal.GetList(PageSize, PageIndex, strWhere, strOrder, ref RecordCount);
        }
        #endregion  成员方法

    }
}
